Solve the problem.A rectangular board is 6 by 18. How far from the center of the board will the foci be located to determine the largest elliptical tabletop? Round your answer to the nearest tenth.
A. 3.0
B. .5
C. 8.5
D. 6.0
Answer: C
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Using the Law of Cosines, find angles A and B when a = 5, b = 4, and c = 8.
a. A = 38.1ø, B = 43.7ø b. A = 30.75ø, B = 24.15ø c. A = 35.1ø, B = 30.75ø d. A = 24.15ø, B = 35.1ø e. A = 48.1ø, B = 21.9ø
Decide whether or not the set of ordered pairs defines a function.{(-3, 5), (-2, -9), (3, -8), (3, 6)}
A. No B. Yes
Solve the problem.A certain store has a fax machine available for use by its customers. The store charges $2.05 to send the first page and $0.45 for each subsequent page. Use an inequality to find the number of pages that can be faxed for $7.00.
A. 52 pages or fewer B. 12 pages or fewer C. 3 pages or fewer D. 16 pages or fewer
Tell whether the relation is a function.
A. Function B. Not a function